a space research organisation wish to test 5 different fuels on five launchers by using a fuel on each of the five launcher . use latine square to design a suitable experiment lasting for five weeks.
You need a 5 x 5 box. Across the top you label fuels A, B, C, D, and E.
Along the side, you label launchers I, II, III, IV, and V.
Diagonally, you label, weeks, 1,2,3,4 and 5.
Find an example, and plug in the numbers. You don't need to think. All you need is a calculator.